Asan: fix invalid memory access
Asan: fix invalid memory access

Change-Id: I7a2acd99f3a8cb143c2ad1c978dfa4b02bf54464
Signed-off-by: Stephan Bergmann <05c31e1673f7a15a4f0f5429fb1e32d6e84bebe3@redhat.com>

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core